Sanjichon-gil, Gosu-myeon, Gochang-gun postal codes (18)
All 18 buildings on Sanjichon-gil in Gosu-myeon, Gochang-gun use postal code 56445. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Sanjichon-gil 30 | 56445 | |
| Sanjichon-gil 34 | 56445 | |
| Sanjichon-gil 42 | 56445 | |
| Sanjichon-gil 74-4 | 56445 | |
| Sanjichon-gil 76 | 56445 | |
| Sanjichon-gil 82-1 | 56445 | |
| Sanjichon-gil 82-9 | 56445 | |
| Sanjichon-gil 82-10 | 56445 | 강씨제실 |
| Sanjichon-gil 82-12 | 56445 | |
| Sanjichon-gil 82-16 | 56445 | |
| Sanjichon-gil 82-18 | 56445 | |
| Sanjichon-gil 88-4 | 56445 | |
| Sanjichon-gil 88-5 | 56445 | |
| Sanjichon-gil 88-9 | 56445 | |
| Sanjichon-gil 88-10 | 56445 | |
| Sanjichon-gil 88-11 | 56445 | |
| Sanjichon-gil 88-12 | 56445 | |
| Sanjichon-gil 92-5 | 56445 |